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(11)

EP 2 125 296 A1

(12)

(43) Date of publication: 02.12.2009 Bulletin 2009/49 (21) Application number: 08731090.0 (22) Date of filing: 29.02.2008

(51) International Patent Classification (IPC):  B25B 13/46(2006.01) B23G 1/26(2006.01) (86) International application number: PCT/US2008/055458 (87) International publication number: WO 2008/106638 (04.09.2008 Gazette 2008/36)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 01.03.2007 US 712723 (71) Applicant: Emerson Electric CO. St. Louis, MO 63136 (US)	(72) Inventors: NITCHMAN, Craig J. Wakeman, OH 44889 (US) THAYER, James Oberlin, OH 44074 (US) (74) Representative: Hale, Peter et al Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)